public class MailDateFormat extends SimpleDateFormat
This class does not take pattern strings. It always formats the date based on the specification below.
3.3 Date and Time Specification
Date and time occur in several header fields of a message. This section specifies the syntax for a full date and time specification. Though folding whitespace is permitted throughout the date-time specification, it is recommended that only a single space be used where FWS is required and no space be used where FWS is optional in the date-time specification; some older implementations may not interpret other occurrences of folding whitespace correctly.
date-time = [ day-of-week "," ] date FWS time [CFWS]
day-of-week = ([FWS] day-name) / obs-day-of-week
day-name = "Mon" / "Tue" / "Wed" / "Thu" / "Fri" / "Sat" / "Sun"
date = day month year
year = 4*DIGIT / obs-year
month = (FWS month-name FWS) / obs-month
month-name = "Jan" / "Feb" / "Mar" / "Apr" /
"May" / "Jun" / "Jul" / "Aug" /
"Sep" / "Oct" / "Nov" / "Dec"
day = ([FWS] 1*2DIGIT) / obs-day
time = time-of-day FWS zone
time-of-day = hour ":" minute [ ":" second ]
hour = 2DIGIT / obs-hour
minute = 2DIGIT / obs-minute
second = 2DIGIT / obs-second
zone = (( "+" / "-" ) 4DIGIT) / obs-zone
The day is the numeric day of the month. The year is any numeric year in the common era.
The time-of-day specifies the number of hours, minutes, and optionally seconds since midnight of the date indicated.
The date and time-of-day SHOULD express local time.
The zone specifies the offset from Coordinated Universal Time (UTC, formerly referred to as "Greenwich Mean Time") that the date and time-of-day represent. The "+" or "-" indicates whether the time-of-day is ahead of or behind Universal Time. The first two digits indicate the number of hours difference from Universal Time, and the last two digits indicate the number of minutes difference from Universal Time. (Hence, +hhmm means +(hh * 60 + mm) minutes, and -hhmm means -(hh * 60 + mm) minutes). The form "+0000" SHOULD be used to indicate a time zone at Universal Time. Though "-0000" also indicates Universal Time, it is used to indicate that the time was generated on a system that may be in a local time zone other than Universal Time.
A date-time specification MUST be semantically valid. That is, the day-of-the week (if included) MUST be the day implied by the date, the numeric day-of-month MUST be between 1 and the number of days allowed for the specified month (in the specified year), the time-of-day MUST be in the range 00:00:00 through 23:59:60 (the number of seconds allowing for a leap second; see [STD-12]), and the zone MUST be within the range -9959 through +9959.
DateFormat.FieldAM_PM_FIELD, calendar, DATE_FIELD, DAY_OF_WEEK_FIELD, DAY_OF_WEEK_IN_MONTH_FIELD, DAY_OF_YEAR_FIELD, DEFAULT, ERA_FIELD, FULL, HOUR_OF_DAY0_FIELD, HOUR_OF_DAY1_FIELD, HOUR0_FIELD, HOUR1_FIELD, LONG, MEDIUM, MILLISECOND_FIELD, MINUTE_FIELD, MONTH_FIELD, numberFormat, SECOND_FIELD, SHORT, TIMEZONE_FIELD, WEEK_OF_MONTH_FIELD, WEEK_OF_YEAR_FIELD, YEAR_FIELD| Constructor and Description |
|---|
MailDateFormat() |
| Modifier and Type | Method and Description |
|---|---|
StringBuffer |
format(Date date,
StringBuffer dateStrBuf,
FieldPosition fieldPosition)
Formats the given date in the format specified by
draft-ietf-drums-msg-fmt-08 in the current TimeZone.
|
Date |
parse(String text,
ParsePosition pos)
Parses the given date in the format specified by
draft-ietf-drums-msg-fmt-08 in the current TimeZone.
|
void |
setCalendar(Calendar newCalendar)
Don't allow setting the calendar
|
void |
setNumberFormat(NumberFormat newNumberFormat)
Don't allow setting the NumberFormat
|
applyLocalizedPattern, applyPattern, clone, equals, formatToCharacterIterator, get2DigitYearStart, getDateFormatSymbols, hashCode, set2DigitYearStart, setDateFormatSymbols, toLocalizedPattern, toPatternformat, format, getAvailableLocales, getCalendar, getDateInstance, getDateInstance, getDateInstance, getDateTimeInstance, getDateTimeInstance, getDateTimeInstance, getInstance, getNumberFormat, getTimeInstance, getTimeInstance, getTimeInstance, getTimeZone, isLenient, parse, parseObject, setLenient, setTimeZoneformat, parseObjectpublic StringBuffer format(Date date, StringBuffer dateStrBuf, FieldPosition fieldPosition)
format in class SimpleDateFormatdate - the Date objectdateStrBuf - the formatted stringfieldPosition - the current field positionpublic Date parse(String text, ParsePosition pos)
parse in class SimpleDateFormattext - the formatted date to be parsedpos - the current parse positionpublic void setCalendar(Calendar newCalendar)
setCalendar in class DateFormatpublic void setNumberFormat(NumberFormat newNumberFormat)
setNumberFormat in class DateFormatCopyright © 2023 Oracle. All Rights Reserved.